From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A366D2E7642 for ; Thu, 26 Jun 2025 14:05:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750946701; cv=none; b=FVpg/eDMrmb8nQr4MhfNrtzfOQ2+ySwGnnbbbOYH+PEfGkcXygh77wISYHugeLKgmkpAmmmd51bDSKtwJkHWtJcSTxJbHHuCMVw/UclwnbipapjJNanQdUJ6+DY5R3q5yusORq7F8cFxzhpEWK653OM1y9LxKoD+aA6WBAqtS/s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750946701; c=relaxed/simple; bh=bz7x2ULxs+R0OhI8IzubgxKs0nkFY+shNckk1LhKraA=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=WK/3MRg62NkrsjivrBfSNo/b/w5j58nrDN50Hf/z1BWkpQSN9o8Tyh5xa4p3S8gmVzW0RevJylbsttdaUSBGnnASdtD7eE8rHDH/b1a3ibPGSKmDg5SRyiuoCSCOy1jfvRhUOG4K7pMg3eGic8WtXSzInIFdRRG2OHiZrQDivqI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tY74JWY9; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tY74JWY9" Received: by smtp.kernel.org (Postfix) with ESMTPS id 7F569C4CEF0 for ; Thu, 26 Jun 2025 14:05:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750946701; bh=bz7x2ULxs+R0OhI8IzubgxKs0nkFY+shNckk1LhKraA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=tY74JWY9c5qqyxjESVmhaCop7FdhjsmLTRFNZBUvpyNlLwUjluBdlb2VlPllLQF15 G/5VxlWU347u8vf0gXBWVuI+/IJAmtTY+UeXaiBaJcJMfEPPPFgftHccabbZBf2M7l t1Zqx+E2CqnSLX8jCUExfSM0LzeOT7T5qN57JTikD4Vh+MhvYsxor8DDovxyEE3dIt eJbC8gG+c3US7ioQrEX7cbw+QvkqMu6qcI9ao6Oy1Sp4peDYslzCes/8v9U2i4nTnp Tx4hyAArzS8LikySOd5FRhZyEnvuTiL2hfLOHV1/r7HCfelTrKBvaSKhvizQa3r4ZC pYYBIm0YeDOww== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 670BCC3279F; Thu, 26 Jun 2025 14:05:01 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 220272] Latent race condition in USB code unveiled with optimized memset_64.S Date: Thu, 26 Jun 2025 14:05:01 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: greg@kroah.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D220272 --- Comment #1 from Greg Kroah-Hartman (greg@kroah.com) --- On Thu, Jun 26, 2025 at 11:39:35AM +0000, bugzilla-daemon@kernel.org wrote: > Experimenting with AI to tune memset_64.S (see the attached file) for my > Intel > 14700KF-system unveiled a race condition in the USB code. Odds are this is because your memset code is buggy :) As this isn't an existing kernel issue, there's not much we can do about this at the moment, sorry. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=